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@ -943,6 +943,94 @@ void check_new_passwds(void) {
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}
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}
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}
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}
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static void handle_one_http_request(void) {
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rfbLog("handle_one_http_request: begin.\n");
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if (screen->httpPort == 0) {
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int port = find_free_port(5800, 5850);
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if (port) {
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screen->httpPort = port;
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} else {
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rfbLog("handle_one_http_request: no http port.\n");
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clean_up_exit(1);
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}
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}
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screen->autoPort = FALSE;
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screen->port = 0;
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http_connections(1);
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rfbInitServer(screen);
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if (! inetd) {
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int conn = 0;
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while (1) {
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if (0) fprintf(stderr, "%d %d %d %d\n", conn, screen->listenSock, screen->httpSock, screen->httpListenSock);
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usleep(10 * 1000);
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rfbHttpCheckFds(screen);
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if (conn) {
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if (screen->httpSock < 0) {
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break;
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}
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} else {
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if (screen->httpSock >= 0) {
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conn = 1;
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}
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}
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if (!screen->httpDir) {
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break;
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}
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if (screen->httpListenSock < 0) {
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break;
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}
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}
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rfbLog("handle_one_http_request: finished.\n");
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return;
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} else {
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#if LIBVNCSERVER_HAVE_FORK
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pid_t pid;
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int s_in = screen->inetdSock;
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if (s_in < 0) {
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rfbLog("handle_one_http_request: inetdSock not set up.\n");
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clean_up_exit(1);
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}
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pid = fork();
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if (pid < 0) {
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rfbLog("handle_one_http_request: could not fork.\n");
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clean_up_exit(1);
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} else if (pid > 0) {
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int status;
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pid_t pidw;
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while (1) {
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rfbHttpCheckFds(screen);
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pidw = waitpid(pid, &status, WNOHANG);
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if (pidw == pid && WIFEXITED(status)) {
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break;
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} else if (pidw < 0) {
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break;
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}
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}
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rfbLog("handle_one_http_request: finished.\n");
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return;
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} else {
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int sock = rfbConnectToTcpAddr("127.0.0.1",
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screen->httpPort);
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if (sock < 0) {
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exit(1);
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}
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raw_xfer(sock, s_in, s_in);
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exit(0);
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}
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#else
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rfbLog("handle_one_http_request: fork not supported.\n");
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clean_up_exit(1);
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#endif
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}
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}
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extern char find_display[];
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int wait_for_client(int *argc, char** argv, int http) {
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int wait_for_client(int *argc, char** argv, int http) {
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static XImage ximage_struct;
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static XImage ximage_struct;
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XImage* fb_image;
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XImage* fb_image;
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@ -952,50 +1040,69 @@ int wait_for_client(int *argc, char** argv, int http) {
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char *str, *q, *p;
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char *str, *q, *p;
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char *cmd = NULL;
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char *cmd = NULL;
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int db = 0;
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int db = 0;
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char tmp[] = "/tmp/x11vnc-find_display.XXXXXX";
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int tmp_fd = -1, dt = 0;
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if (! use_dpy || strstr(use_dpy, "WAIT:") != use_dpy) {
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if (! use_dpy || strstr(use_dpy, "WAIT:") != use_dpy) {
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return 0;
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return 0;
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}
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}
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rfbLog("into wait_for_client.\n");
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for (i=0; i< *argc; i++) {
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if (!strcmp(argv[i], "-desktop")) {
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dt = 1;
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}
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if (0) fprintf(stderr, "args %d %s\n", i, argv[i]);
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}
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str = strdup(use_dpy);
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str = strdup(use_dpy);
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str += strlen("WAIT:");
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str += strlen("WAIT");
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q = strchr(str, ':');
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/* get any leading geometry: */
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/* get any leading geometry: */
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if (q) *q = '\0';
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q = strchr(str+1, ':');
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if (sscanf(str, "%dx%d", &w0, &h0) == 2) {
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if (q) {
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w = w0;
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*q = '\0';
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h = h0;
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if (sscanf(str+1, "%dx%d", &w0, &h0) == 2) {
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w = w0;
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h = h0;
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rfbLog("wait_for_client set: w=%d h=%d\n", w, h);
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}
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*q = ':';
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str = q;
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}
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}
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if (q) *q = ':';
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q = strchr(str, ':');
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/* str currently begins with a ':' */
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if (! q) {
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if (strstr(str, ":cmd=") == str) {
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if (strstr(str, "cmd=") != str) {
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/* cmd=/path/to/mycommand */
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str = strdup(":0");
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str++;
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}
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} else if (strpbrk(str, "0123456789") == str+1) {
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/* :0.0 */
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;
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} else {
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} else {
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str = q;
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/* hostname:0.0 */
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str++;
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}
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}
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if (db) fprintf(stderr, "str: %s\n", str);
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if (db) fprintf(stderr, "str: %s\n", str);
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if (strstr(str, "cmd=") == str) {
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if (strstr(str, "cmd=") == str) {
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cmd = str + strlen("cmd=");
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if (db) fprintf(stderr, "cmd: %s\n", cmd);
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/* WAIT */
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if (no_external_cmds) {
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if (no_external_cmds) {
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rfbLog("wait_for_client external cmds not allowed:"
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rfbLog("wait_for_client external cmds not allowed:"
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" %s\n", use_dpy);
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" %s\n", use_dpy);
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clean_up_exit(1);
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clean_up_exit(1);
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}
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}
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cmd = str + strlen("cmd=");
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if (!strcmp(str, "FINDDISPLAY-print")) {
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fprintf(stdout, "%s", find_display);
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clean_up_exit(0);
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}
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if (db) fprintf(stderr, "cmd: %s\n", cmd);
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}
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}
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if (fake_fb) {
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if (fake_fb) {
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free(fake_fb);
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free(fake_fb);
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}
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}
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fake_fb = (char *) calloc(w*h*b/4, 1);
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fake_fb = (char *) calloc(w*h*b/8, 1);
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fb_image = &ximage_struct;
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fb_image = &ximage_struct;
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fb_image->data = fake_fb;
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fb_image->data = fake_fb;
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@ -1017,10 +1124,39 @@ int wait_for_client(int *argc, char** argv, int http) {
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off_x = 0;
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off_x = 0;
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off_y = 0;
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off_y = 0;
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if (! dt) {
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char *s;
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argv[*argc] = strdup("-desktop");
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(*argc)++;
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if (cmd) {
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char *q;
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s = choose_title(":0");
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q = strstr(s, ":0");
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if (q) {
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*q = '\0';
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}
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} else {
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s = choose_title(str);
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}
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rfb_desktop_name = strdup(s);
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argv[*argc] = s;
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(*argc)++;
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}
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initialize_allowed_input();
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initialize_allowed_input();
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initialize_cursors_mode();
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initialize_screen(argc, argv, fb_image);
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initialize_screen(argc, argv, fb_image);
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initialize_signals();
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if (!strcmp(cmd, "HTTPONCE")) {
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handle_one_http_request();
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clean_up_exit(0);
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}
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if (http && check_httpdir()) {
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if (http && check_httpdir()) {
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http_connections(1);
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http_connections(1);
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}
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}
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@ -1081,11 +1217,28 @@ int wait_for_client(int *argc, char** argv, int http) {
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memset(line1, 0, 1024);
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memset(line1, 0, 1024);
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memset(line2, 0, 16384);
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memset(line2, 0, 16384);
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if (!strcmp(cmd, "FINDDISPLAY")) {
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tmp_fd = mkstemp(tmp);
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if (tmp_fd < 0) {
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rfbLog("wait_for_client: open failed: %s\n", tmp);
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rfbLogPerror("mkstemp");
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clean_up_exit(1);
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}
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write(tmp_fd, find_display, strlen(find_display));
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close(tmp_fd);
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chmod(tmp, 0644);
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cmd = (char *) malloc(strlen(tmp) + strlen("/bin/sh ") + 1);
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sprintf(cmd, "/bin/sh %s", tmp);
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}
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rfbLog("wait_for_client: running: %s\n", cmd);
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if (unixpw) {
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if (unixpw) {
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int res = 0, k, j, i;
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int res = 0, k, j, i;
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char line[18000];
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char line[18000];
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memset(line, 0, 18000);
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memset(line, 0, 18000);
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if (0) unixpw_msg("Looking up DISPLAY", 0);
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if (keep_unixpw_user && keep_unixpw_pass) {
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if (keep_unixpw_user && keep_unixpw_pass) {
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n = 18000;
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n = 18000;
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@ -1096,8 +1249,15 @@ int wait_for_client(int *argc, char** argv, int http) {
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}
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}
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keep_unixpw = 0;
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keep_unixpw = 0;
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if (tmp_fd >= 0) {
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unlink(tmp);
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}
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if (db) write(2, line, n); write(2, "\n", 1);
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if (! res) {
|
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if (! res) {
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rfbLog("wait_for_client: cmd failed: %s\n", cmd);
|
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|
rfbLog("wait_for_client: cmd failed: %s\n", cmd);
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unixpw_msg("No DISPLAY found.", 3);
|
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clean_up_exit(1);
|
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|
clean_up_exit(1);
|
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|
}
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}
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@ -1135,19 +1295,31 @@ int wait_for_client(int *argc, char** argv, int http) {
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|
if (! p) {
|
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|
if (! p) {
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|
rfbLog("wait_for_client: cmd failed: %s\n", cmd);
|
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|
|
rfbLog("wait_for_client: cmd failed: %s\n", cmd);
|
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|
|
rfbLogPerror("popen");
|
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|
|
rfbLogPerror("popen");
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|
|
if (tmp_fd >= 0) {
|
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|
|
unlink(tmp);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
unixpw_msg("No DISPLAY found.", 3);
|
|
|
|
clean_up_exit(1);
|
|
|
|
clean_up_exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (fgets(line1, 1024, p) == NULL) {
|
|
|
|
if (fgets(line1, 1024, p) == NULL) {
|
|
|
|
rfbLog("wait_for_client: read failed: %s\n", cmd);
|
|
|
|
rfbLog("wait_for_client: read failed: %s\n", cmd);
|
|
|
|
rfbLogPerror("fgets");
|
|
|
|
rfbLogPerror("fgets");
|
|
|
|
|
|
|
|
if (tmp_fd >= 0) {
|
|
|
|
|
|
|
|
unlink(tmp);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
unixpw_msg("No DISPLAY found.", 3);
|
|
|
|
clean_up_exit(1);
|
|
|
|
clean_up_exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
n = fread(line2, 1, 16384, p);
|
|
|
|
n = fread(line2, 1, 16384, p);
|
|
|
|
pclose(p);
|
|
|
|
pclose(p);
|
|
|
|
|
|
|
|
if (tmp_fd >= 0) {
|
|
|
|
|
|
|
|
unlink(tmp);
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (strstr(line1, "DISPLAY=") != line1) {
|
|
|
|
if (strstr(line1, "DISPLAY=") != line1) {
|
|
|
|
rfbLog("wait_for_client: bad reply %s\n", line1);
|
|
|
|
rfbLog("wait_for_client: bad reply %s\n", line1);
|
|
|
|
|
|
|
|
unixpw_msg("No DISPLAY found.", 3);
|
|
|
|
clean_up_exit(1);
|
|
|
|
clean_up_exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@ -1158,7 +1330,6 @@ int wait_for_client(int *argc, char** argv, int http) {
|
|
|
|
q++;
|
|
|
|
q++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (db) fprintf(stderr, "use_dpy: %s n: %d\n", use_dpy, n);
|
|
|
|
if (db) fprintf(stderr, "use_dpy: %s n: %d\n", use_dpy, n);
|
|
|
|
if (0) write(2, line2, n);
|
|
|
|
|
|
|
|
if (line2[0] != '\0') {
|
|
|
|
if (line2[0] != '\0') {
|
|
|
|
if (strstr(line2, "XAUTHORITY=") == line2) {
|
|
|
|
if (strstr(line2, "XAUTHORITY=") == line2) {
|
|
|
|
q = line2;
|
|
|
|
q = line2;
|
|
|
|
@ -1176,12 +1347,13 @@ if (0) write(2, line2, n);
|
|
|
|
xauth_raw_len = n;
|
|
|
|
xauth_raw_len = n;
|
|
|
|
memcpy(xauth_raw_data, line2, n);
|
|
|
|
memcpy(xauth_raw_data, line2, n);
|
|
|
|
if (db) fprintf(stderr, "xauth_raw_len: %d\n", n);
|
|
|
|
if (db) fprintf(stderr, "xauth_raw_len: %d\n", n);
|
|
|
|
if (0) {
|
|
|
|
|
|
|
|
write(2, xauth_raw_data, xauth_raw_len);
|
|
|
|
|
|
|
|
fprintf(stderr, "\n");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (unixpw) {
|
|
|
|
|
|
|
|
char str[32];
|
|
|
|
|
|
|
|
snprintf(str, 30, "Using DISPLAY %s", use_dpy);
|
|
|
|
|
|
|
|
unixpw_msg(str, 2);
|
|
|
|
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
} else {
|
|
|
|
use_dpy = strdup(str);
|
|
|
|
use_dpy = strdup(str);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
runge
18 years ago